public bool Insert(TransInfo obj)
{
var da = new SqlDbDataAccess();
SqlCommand cmd =
da.GetCommand(
"INSERT INTO [dbo].[Trans] ([Pname],[quan],[tprice],[date]) VALUES (@pname, @quan,@price, @date)");
var p1 = new SqlParameter("@Pname", SqlDbType.VarChar, 50) {Value = obj.Pname};
var p2 = new SqlParameter("@quan", SqlDbType.Int) {Value = obj.Quan};
var p3 = new SqlParameter("@price", SqlDbType.Float) {Value = obj.Tprice};
var p4 = new SqlParameter("@date", SqlDbType.VarChar, 50) {Value = obj.Date};
cmd.Parameters.Add(p1);
cmd.Parameters.Add(p2);
cmd.Parameters.Add(p3);
cmd.Parameters.Add(p4);
cmd.Connection.Open();
int val = cmd.ExecuteNonQuery();
cmd.Connection.Close();
return val > 0;
}
private List<TransInfo> GetData(SqlCommand cmd)
{
cmd.Connection.Open();
SqlDataReader reader = cmd.ExecuteReader();
var list = new List<TransInfo>();
while (reader.Read())
{
var obj = new TransInfo
{
Id = reader.GetInt32(0),
Pname = reader.GetString(1),
Quan = reader.GetInt32(2),
Tprice = reader.GetFloat(3),
Date = reader.GetString(4)
};
list.Add(obj);
}
reader.Close();
cmd.Connection.Close();
return list;
}
